Axminster loom



Nov. 3, 1931. E. R. HOLMES 1,830,274

AXMINSTER LooM Filed June 12, 1930 .Sheets-Sheet l TTFP/V YS [Nl/ENTUR 5L eH/DGE EHU/ M55 AXMINSTER LOOM Filed'June 12, 1930 5 Sheets-Sheet 2 m 0 FIG. 4

E. R. HOLMES AXMINSTE'R Loom Nov. 3, 1931.

Filed June l2 1950 5 Sheets-Sheet l5 Nov. 3, 1931. A E, R, HOLMES 1,830,274

AXMINSTER LOOM Filed June 12 1930- 5 Sheets-Sheet 4 '/VHmfM NOV. 3, 17931. v E R HOLMES y 1,830,274

AXMINSTER LOOM Filed June 12 1930 5 sheets-sheet 5 MT'H A TTURNEYS i Patented Nox).A 1 931- EL'BBIDGE,n.l-LMSQ WoRoEs'rER, MASS-AUHSEMS, AssmNonffro oloMPrroNc :mowLEs moM'-"woRKs,\-0F WQRCESTER, MASSACHUSETTS; A oomon'ATIoN on Zmmsmn Loom `f 211i wenn?www, 1250- Srum@ 460,755.. l

, 17-7 LlSei-ndlQ aj-"e c'ia'g'reniniato side elevations of certain operating ooms to be descbed-- porvtioiif Vthe raineQO of an Axrninster endgrockingf ar'I'nS'QQ, by Whiohthe 'Cube frame '1T' @represented at the fell ofthepile fabric F. i ff- The tubefframes T' are provided with gu'dgeonsQt adaptedito be recevedin openings: 25 nslott'ed links 2 6Whio`h alternate with vconnect ing linksf27 'ntheeaIrer o'hns C. Y fV The carrier chains "C are mounted on' upper ookfetsj28 (flf`g. `1) and lower sprockets; 29 Addtidmjl'oarrer chains' C are shown at the right in Fig. l enderemllrted iirovide ira rfnrthor object o vide .a :constructie h ti o1i oi"l yersegdff My' invention furthererelaes to arrange.- 1 ents endf combinations fof jpar'ts Whioh will Theupp'er sprockets 28 an'd'BO refaite freely infbearings on anupper supporbingffranie 33 and the l'owe'r spjr'ocketll is'nlounted in a' andfen'dof e;

bers 38' projecting forward from' the upper part of 121m@ v'loom' 'frame 20. ,The ylower pfroc'ke 2 9' and '31 are" 'inter'1nit'tently`- acl-f alned'by 'feeding mechanism to be described.

' @1on1-Heimen@infie 's i @the f tribe rmes'frorn esping from thesltted nrentsiof l 1 j Anope'ning 46"1'is m ade' in uche guard for Fig;detgilfsectiorral'pla 'view ,takeh eech'c'haijn'C direciilyover'tlfeoperativeposn alo "'theline''TS-#ll T 5; tion oftheY tube" rarne"holder,` sind Sliding Fig.V 'Mfis an erlzirge'erielevatioiiof block or support 47 on'theholder' enters the opening 46L as the'holder is 'raised and proides a supportufor the' outer end vof the gud'- geon 24 as thetu'be frame "i's advanced' to a position over theopening. f f

*The holders'l 40" are' then moved' inward by i Referring to the drawings, I have Shown a loorrnrogthor with the vusuel carrier VloarsL'Ql rotatablein bearings in frame" mem? 'Tube' frame holders 40:(Figs'; SfandfJQ' Aare,

theiry travel sind preventiihe gudgeons of the' on upper Sprockets 30 andlowe'r sprockets" 31.

the usual operating mechanism from the psition shown in Fig. 3 to that shown in Fig.

4, and the block 47 slides outward on the holder against the pressure of, a coil spring 48.

After thetube frame is, rmly seated in the holders A110., theholdersare lowered and rocked i by suitable movements of the carrier bars 21r and rocking'arms 22, such movements beingu :produced in the usual manner and forming no partofmypresent invention.

` l kFeeding mechanism l n *l 4Studs 50 r(Fig. 2) are mounted V'on the sprocket '29 in position for engagementby feed pawls51 or 52. Springs arefprovided'fothe pawls 51 and 52, which springs are secured at" points rearward of the axesY A,1 "of the pavvls,Z sothat they extend across the axis anda't one sideor the other thereof, vand are effective 'to holdthe pawlsyieldingly in the operative position ofthe p awl 51 (Fig. 2)

i i v orinthe inoperative positionof the pawl .52. f It will beunderstoodthat only one of` these pawls is operative at a given time. Vhen thejpawl 51isoperative, the chain C is advanced inthe direct-ion of the arrow a in Fig. 2, andwhen thepawl 52is operative, the feed will be in}the opposite direction.` Y

The pawl's 51 and 52 are mounted on arms 54 and 55, swinging about the axis of the shaft 37'and regularly oscillated by connecting rods or links`56'and 57.l

"The feedingmechanism for the sprocketL 31 is the v'same/as the mechanism above de- *iscribedlifor the sprocket 29 and is actuated Vby links v58 and59 The linksV 56 to 59 are. 'connected to a bell crank GQ, pivotedat 61 and connected byv alink by alfeedcam 6 5k mounted o'n a'continuously rotated 'cam' shafty 66, which cam shaft also controls the movements ofthe tubeframe-car- ;;1.f1'n order to of-tube frames,A I provide a removable section 7Olinthe guard 45, as shown in Figs. 14E toV `rierubars y21`and Arocking arms 22. The lay f out'of the cam 65 is shown diagrammatically 'in-' Fig; 19. j'

permitremoval or replacement 16,' T Theremovablesection 70 hasahub porL tion 71'V pivoted at 72 to the upper end "of: the adj acent portion of the guard 45. 1

A. f-Wlien the :removable portion 70 is swung outwjard, a'shoulder 73 on the offset portion Veo j'lengages the guardfl and supports the portion.- in substantially horizontal position, as'indicated in dottedlines in Fig. y,16. In ,this position,the"` portion 70fforms a convenientsupport for tube frames lwhich areto beremoved,or'inserted i i vrA latch 75 is' pivoted at above movable portion 70 and maybe swungup` ward to thedotted lineY position in Fig. 14:" to

' release the upper endof the portion 70 and permit said .porti onto swing outward and downward. n'extra guard rail 77 l) isrprovided at the inside of the chain C in its forward vertical run, as indicated in Fig. 1.

The tube frames 'I are vsupported entirely on their gudgeons 24 during the transportation thereof and the weight is sodistributed that Vthev tube'frames always remain in the vertical position indicated in Figs. 2 and 3.

Stof/'pagel cle/vice *I .Asv theitu-be:A frames l:are substantial height, this vertical positioningnecessitates 1:. thespacing ofthe tube frames a'substantial distance apart on the chains C and would require veryf long chains to transport an entire series of tube frames inwtheusual manner, 1n which casefall'of'the tube framesV remam attached to theI chains at all times, evenjjvhile' `inoperative or instorage.V l

excessive length, I have provided'meansv for removing rthe tube 'frames' fromV `the chains and for storing them in closely'adj aoent horizontalrows while inoperative and I will now describe my improved storage device and the mechanismV for 'removing `fthe tube frames from fthe chains fand yfor restoringthem to the v chainsforffurther use.' i' Y,

For'storag'e purpo`se's,'I 'provide a series of iixedlraok bars` (Figs. 5 and 6) andase =ries of movable rack'bars 81. The fixed rack bars 8O are provided with shallow notches 82 to receive the gudgeons 24 when the tube frames T are at rest and toprevent accidental displacement thereof. j The rack bars at one lend onlyjof thetubeframes are shown in the drawings butwillit be understood that asimilar series ofparts is provided atthe other 'end'alsd The movable rack' bars si aiepfovida with relativelydeep lnotches 83 to receive thegudgeon's 24 kof the tubefframes T- d'uring the advance or feeding movement thereof.

'Ba-r mz'sz'ngmechensm i 1 Y The movable rack bars .81 are slidablyfsuporte'dy adj acentfthe fixed rack bars '80 by rackets 85 5) bolted kto fthe lower portionsfof the fixed rack bars 80. The movable rack bars 81ers lverticallysupportednpon rolls 87 pivotedat88 on supporting'arms 89,

' lwhich in turn arepivoted to fxedbracketsQO.

f, 'A plurality of thesupporting 'trolls 87 and In ordertoprevent the need' for'chains of -f "IDD arms 89are provided at different points in the length'of thefrack bars81. The arms 89 .are extended upwardand are pivotally con- ,,during-'theintervening(quartered, f

. riesame pirotallysupported.en :tlle-npnfardly extend-1 ing arms ofybell cranksQG-(Eignl) Theben u i cranks'Q are pivote/'d1 toren-actuating roda-9,7

which is connected'atr98toa camvlevcr 99. g A The lever 99isprovided-with a studor,Y roll shows/ thatpthe supporting'rollsB'? are-heldin Y lraised position toria q-1m1't'.er;Y of a revolution and ink lowered position; for a quarter of*A a Y revolution:andthattheyfareraisedorlowered A p I j I A l* l WiIlnoWi-describethe'niechanismwhich lreeiprocatesAA the rack barsV 8,1, to' advance or vfeed thetube iframes.- 1 For. this purpose, dthe rack. bars are provided with studs 105;(Fig. 7j)-extending intoslots 106 Ain the upwardly 1 projectingarnis of bell cranks 107 and 1072*. lrIfhe bell cranks 107arepivoted at 108on a supporting frame member and theilvhorizontallyextending-arms y are pivoted inv spaced relation to a vertically movable bar 1,10, pivoted f at its'lowerf end to acamllever 111 (Fig.

Elfrep-fbellcranks 107a arelsimilarlypivoted at 1085 and are pivotally Connected to the yvertlcalfbar v1110. The pivots108and 108aareion lopposite sidesiof ythe bar.-.110 so that both cranks 107, .and 2107? are simultaneously 'rocked inv opposite"-;.directions.` Alternate rackfbars 81 .areconnected Vto-bell cranks 107` and' 107 re'spectively.. y

.freeler/@finis prevideawnh asma or ron l112 positionedv in acam groove .formed inthe e side-of a' cam`113 mounted Yonxthe shaftj102 f "previously described-`r 'The effective yactions of the cam is indicated dia'graminatically A1nA r Fig. 18, showing thatsthe .cani haslthreeconfA centric operative portions .114,1 115,. and-1.16,(V f thnseiiectinga dwell' in theoperation of the' V movable rackbars 81' atthe extremeright and sition.-r. n y Y. ,Y v Thexed.and-movablerackfbars and81 are arrangedin superposedseries, a's-clearly *i pairsof rack bars may'bejemployedvShort' sectional guide-bars 1203*(Figs. 15 andV 'are .arranged atthe ends'of 'the' rack bars" and the adjacent ends ofjthesections' 120v are f. .returnedtothe chains.rv

...shovv'nfin fFig. l. It is necessary that lan even number ofbars bevused1 so thatthetuberames maybe'removed from andfreturnto the conveyer chains C, but any desired number of spaced apa-rt7 as indicatedin Fig..'5;topro-Y vide anopening11.21 through which tube' ramesmaylbefremovedfrorn the chains or leftpositions and. alsoV at an intermediate po:-`

, i Rversible dvngmeeliansm i The upper cam shaft 102 (Fig. 1-)'is connectedby bevelgears to an upright shaft 122, which in turn is connected by sliding bevel gears 123 and `124to a bevel gear 125 von the lower cam shaft-66. The upper and lower camshaftsare'thus rotated in definite timed relationand the direction of rotation ofthe upper icam shaft may-be reversed by shiftingfthe lbevel gears 123 and 124. thus reversing-the rotation kor" the shaft k122.

` Operation I described ythe vconstruction fof my improvedtube :frame transporting mechan1is1n,-I will .now describe the operation thereof. f

ff'T'heguards 70 (Figi 1)'are opened Vand Y yswung f otward and the transporting mech# anismfisthen placed in operation.k The tube `frames are inserted in Aslots in the links v'26' as zthese .links are intermittently moved downwardzpast theopenings in the guard 45.

The-.tubeffra'mes ai e' carried around by the chains :C to a position opposite the-lower set of rack bars 81, vby which they are removed from the chain and yplaced in storage on the 'fixed ranch bars 80. The operation ofthe rack `bars isasindicated in Figs. 8 to 12. f

The .tube `iframes aregradually advanced stepby y.step horizontally fromleft to right along the lower set of rack bars and are {inalilyinsertedfone at atime inthe links' of the chainsiC lwhich liftlthe links one space, .atnvhichpoin't they are removed by the next higher y.set vof oppositely .moving rack bars 4,S1 :and arc .advanced tothe left to another point of delivery of the chainsC. Thiscyclc Y' of' operations maybe'repeated asmany times as .is necessary .top-provide vthe necessary storage. v

,I AThe process 'of advancing the tube frames byone' Igatythe...rack.bars 81 is illustratedv in FigsfeS to 12k-inclusive. 'The normalinoper- .-ativeuposrtion of the movablerack bar 8l is indicated in Fig. 10, with the gudgeons 24 of-the :tube iframesjresting in the shallow notchesgvof the 'fixed rack bar y80 and with the ,movable rack bar 81 in lowered position corresponding to the portion 130 yoi the cam I)101 (,fFig.,17-) aandalso in mid position horizontally,corresponding to the portion 115 ofvthe cam 113fshownin1Fig. 18. This cam 1.13 v is 4then advanced, bringing the portion 1165.01? the cam into. operative position and V givingthe rack bar 81 an idle .stroke-to the extreme righthand positionA indicated' in Eighll. v v The/cam 101 (Fig. 17) then shifts the correspondingcamrollftroni the part 130 to the part 1310i thel cam, thus raising the rack bail Slvrtvo the position yshown iny Fig. 12. This raising movement is caused by endwise motionofthe bars 93 (Fig. 5.) causingr rocking increment `ofthe arms 189 andswingingthe lli;

`rIlliefeed cani113v is their advanced to shift tlio'corresponding Acani rollfrom the portion 1164 to the portion llil of the; cam, carrying the movable rackbar 81 from the ppsition shoivngin Fig. `12 to that` shown 4in( vFig. 8.

iii

By suc-h movement, a ltube frame is removed fromthe chains. Cf andanotheritube frameV placed iiinotclies iii theV chains CQ f f lThe eam [lOl then shiftsthecontrol from the part 131 to the part 130 of the cani, lowering the rack bar 8l to Vthe position shown inFig. 9 after which the portion 115 of' the feed cam llisadvanced to operativeaposi'- tion, returningthegbar ltojtlie position shownin Fig. 10. ItjW-illrthus appeartliat the movable rack bartl has been; given an intermittentmotion ine rectangularl `path,fbeing moved to theV rightin lowered position; then raised vertically to lift the tube frames out of theslial-v v nient of the chains;

are reversed in horizontal directions, as each bars While the interveningabars 'reinovetube "t vwill be understood that the-foregoing descriptioii` of voperation applies to vevery alternate rack bariand that the intervening' rack bars receive `simultaneous movements -vvliich alternate Ysetfof rack bars is operated by a bell crank 107 and the intervening raclr bars are operated' bythe oppositely inovingbell ,cranks IOW. Consequently the tube. frames are removed from the chains'C and added to the chains@ by each alternate pair ofrack rames from-the chains C the vchains C. ,i y In the Weaving'of symmetrical. patterns,r

and add them to Vit cominonftowveave one-half of thepattern andV thenireif'erse the feed of the pattern sV towve'ave the :other lialfof :the pat- 1 cna terni lily improved storage. mechanism hasn i been especially designed to permit such operation,l and it is merely necessaryatomove Y one of the paivls 51er 52 to inoperative posi- Y and the other to operative position to re'- Vverse the feed. f The cams shown in Figsl?? and: lfare so-designed that they :will operate equally Well When rotated in either direction.

,Having describedr the details of constructio-n and the operation of my improvedvtransporting' mech anism, it Will be seen 'thatfI have provided avery compact storage for a large; number yof tube frames andtliat this storage maybe further increased by adding additional sections, vso that any commercial number of tube framesmay be readily 'taken careof incomparatively small space; "Furthermore, the` chains Gand C are relativelyv short andthe operating mechanism therefor lis simple v'and direct. f

While .theV description in connectionjwith -AFig--.V 17 `and thel shapeofjtliefcam` set forth therein has been :based on the' idea that the cycleof movements of the parts controlled by cam groove; A101V is dividedre'qually into four time intervals yet if desired I may make the rising-and falling parts ofthe camof shorter duration so that the dwells may be increased- Also, While itis stated i'nconnectionwith Fig. 18 'thatv4 the bar controlled'y thereby `may be given a dwell in' intermediate:V position by`r the face ll5`,`=yet as: aY-ma'tter vofvfactthe purpose of my invention Will be served'ifaretardation insteadof actual dwell is given the motion of bar Si. i It is sulhcient for the purpose ofthe present invention iff-the bars vhave their endsfspac'e'd lfrom the chains tof* permit the latter vto move Vand it will :be understood that this result can be achieved either by anactual divell ora retardingof` the bars .and I Wish it further to 4be understood that'where the Word divellis used hereiii'fldntended toV cover a retardation..-y 1" j `Having 'thus v'described myiinvention and the advantages thereof, I do notvvish to be limited to the details herein disclosed, other# ivise'tlianfa's set forth in the claims, but what I'claimiszf Y ff f yl'.In an Axminster loom, tube Yframe storand :transporting mechanism comprising sup'erposec'l` pairs-Tof rack bars, means to deliver '-successivetube frames'to one end of apairfof vrack bars 'and tofremove successive tube frames from the opposite Vends of said bars, `and means to "produce intermittent relative'inovements betvveen they members :lof each pair of bars, said tube frames being ad-A vanced along saidbars byfsueh intermittent frelativermovemeiits;l ,Y Y

:2f In an Anminster loom,tube=frame storage'andftransporting mechanism comprising superposedpairs of raclcb'ars, means to de,- liver successive tubeframes to one end ofv a pairof rack bars and to remove'successive nube frames from the opposite endsoffs'aid bais,;aiid means to produc'eiiiitermittent relative movementsbetiveen the members of each pair fof.y llls,fsaid Vtube VVframes being advanced alongsaidbarsby such intermittent relative movements, .andvalternate pairsof bars being'f operative to advancetube. frames in opposite directions. v l i ,3. .Inl an ixminster loom, tube fraiiie'stor- `age :and transporting mechanism Acomprising -superposedl pairs of fixed andfmovable rack bars, v'means to deliver succ'es'sive'tube frames successive tube frames from the oppositer end of saidI bars,fsaid tube frames being advanced along said bars by relative Vmovements 'bej yto oneend of a pair of bars and tojremove Y tween the -barsin each pair, and means to.r reverse the direction of operation or said 'f transporting mechanism.

4. InanvAXminster loom, tube frame stor age andV transportingv mechanism compris-` ing superposed pairs of fixed and'movable rack bars, means toY deliver successive tube framestooneend ofa pair of bars and to f removefsuccessive tube frames from the opvposite end of said bars, said tubeframes-bec 'ing advanced along said bars by relative n 'movements between the bars k1n each pair,

. alternate pairs being operative to' advance o tube yframes in Opposite directions, and mansuperposed pairs of fixed and movable rack bars, ysaidmovable bars being notched, and

meansfto give said movable bars a rising and falling `movement anda 4longitudinal feeding movement.

6. f In an AXminster loom, tube frame y storlagie and transportingV` mechanism comprismg superposedfp'alrsof. fixed and movable raclrbars, said movablebars being notched, and means to give ,saidr movable bars successive upward, feeding downward, and return 7 movements 7. In an AXminster loom, tube frame-storage'and transporting mechanism comprising loom, tube frame storing fixed and movable rack bars, means to raise and lower vsaid movable rack bars, and means to reciprocate said movable rack bars, the reciprocating movements alternating with the rising and falling movements of said rack bars. 12. In an Axminster loom, means to advance tube frames toand from operative position, means to place said tube frames in a storage device and t0 advance said frames along, said storage device, cams to operate saidrst means, a pair of associated cams to operate said second means, means to actuate all of said cams in timed relation, and means .for o reversing rotation vof said associated posed tubey frame storage racks each comprising fiXedand movable rack-bars, transporting chains at each end of said rack bars,

and means to give, alternate movable rack bars'simultaneous feeding movements in opposite directions, each movable rack bars removing tube frames successively from chains at one end of said bar and inserting 'the tube frames in the chainsat the opposite end of said'bar. f n a In testimony whereof I have hereunto affixed my signature. v A

ELBRIDGE R. HOLMES.

superposed pairs of fixed and movable rack bars, said movable bars 'being,notclie d, and Vmeans to give said movable .bars successive upward, feeding,y downward, and return movements and to effect a .dwell of said mov# able bars -in mid-return position. A

y 8. In an Axminster loom,ftube frame ,storage `and transporting mechanism comprising spaced fixedv storage rackbars notched to receive tube frame gudgeons in closelyspaced relation, and means to lift a plurality of tube frames outy of said notches and to advance said-tube framesl simultaneously and to deposit'sai-d tube frames in successive notches.

. 9. In an-Axminster loom, a plurality` of chains to advance tube frames to operative position and to remove them fromoperative position', additional means to remove tube frames from said chains, to intermittently advance said tubeframes through a storage 5rd,' device,` and to restore said tube frames to said chains, and means to reverse the directionoftravel of said chains and the direction of movement of Vsaid' tube frames through said storage device. y. Y,

Y l0. The combination in an Axminster loom vasset forth in claim 9, in which the reversing means comprises apair ofv reversely operat- VVing feed pawls, and meansjto hold each pawl 'in operative or inoperative position.

' 11. In an AXminster loom, pairs of superposedtube framestorage racks each, comprisico 1 

